7C408A-25 데이터 시트보기 (PDF) - Cypress Semiconductor

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7C408A-25

64 x 8 Cascadable FIFO 64 x 9 Cascadable FIFO

Cypress Semiconductor 

Switching Waveforms (continued)

Data In Timing Diagram

SHIFT IN

tPHSI

I/fO

NOTE 18

tPLSI

INPUT READY

DATA IN

HF

AFE

tHSI

tSSI

(HIGH)

I/fO

tDHIR

tDLIR

tDHAFE

Data Out TimingDiagram

SHIFT OUT

OUTPUT READY

DATA OUT

tPHSO

tHSO

I/fO

NOTE 19

tPLSO

AFE

HF

(HIGH)

Bubble-Back, Data Out To Data In Diagram

SHIFT OUT NOTE 20

I/fO

tDHOR

tDLOR

tOD

tDLAFE

SHIFT IN

INPUT READY

DATA IN

Notes:

18. FIFO contains 55 words.

19. FIFO contains 56 words.

20. FIFO contains 64 words.

tBT

tSIR

tPIR

tHIR

CY7C408A

CY7C409A

C408A–12

tSOR

C408A–13

C408A–14

6

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